Package weka.core

Class FastVector

    • Constructor Summary

      Constructors 
      Constructor Description
      FastVector()
      Constructs an empty vector with initial capacity zero.
      FastVector​(int capacity)
      Constructs a vector with the given capacity.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addElement​(java.lang.Object element)
      Adds an element to this vector.
      void appendElements​(FastVector toAppend)
      Appends all elements of the supplied vector to this vector.
      int capacity()
      Returns the capacity of the vector.
      boolean contains​(java.lang.Object o)
      added by akibriya
      java.lang.Object copy()
      Produces a shallow copy of this vector.
      java.lang.Object copyElements()
      Clones the vector and shallow copies all its elements.
      java.lang.Object elementAt​(int index)
      Returns the element at the given position.
      java.util.Enumeration elements()
      Returns an enumeration of this vector.
      java.util.Enumeration elements​(int index)
      Returns an enumeration of this vector, skipping the element with the given index.
      java.lang.Object firstElement()
      Returns the first element of the vector.
      java.lang.String getRevision()
      Returns the revision string.
      int indexOf​(java.lang.Object element)
      Searches for the first occurence of the given argument, testing for equality using the equals method.
      void insertElementAt​(java.lang.Object element, int index)
      Inserts an element at the given position.
      java.lang.Object lastElement()
      Returns the last element of the vector.
      void removeAllElements()
      Removes all components from this vector and sets its size to zero.
      void removeElementAt​(int index)
      Deletes an element from this vector.
      void setCapacity​(int capacity)
      Sets the vector's capacity to the given value.
      void setElementAt​(java.lang.Object element, int index)
      Sets the element at the given index.
      int size()
      Returns the vector's current size.
      void swap​(int first, int second)
      Swaps two elements in the vector.
      java.lang.Object[] toArray()
      Returns all the elements of this vector as an array
      void trimToSize()
      Sets the vector's capacity to its size.
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • FastVector

        public FastVector()
        Constructs an empty vector with initial capacity zero.
      • FastVector

        public FastVector​(int capacity)
        Constructs a vector with the given capacity.
        Parameters:
        capacity - the vector's initial capacity
    • Method Detail

      • addElement

        public final void addElement​(java.lang.Object element)
        Adds an element to this vector. Increases its capacity if its not large enough.
        Parameters:
        element - the element to add
      • capacity

        public final int capacity()
        Returns the capacity of the vector.
        Returns:
        the capacity of the vector
      • copy

        public final java.lang.Object copy()
        Produces a shallow copy of this vector.
        Specified by:
        copy in interface Copyable
        Returns:
        the new vector
      • copyElements

        public final java.lang.Object copyElements()
        Clones the vector and shallow copies all its elements. The elements have to implement the Copyable interface.
        Returns:
        the new vector
      • elementAt

        public final java.lang.Object elementAt​(int index)
        Returns the element at the given position.
        Parameters:
        index - the element's index
        Returns:
        the element with the given index
      • elements

        public final java.util.Enumeration elements()
        Returns an enumeration of this vector.
        Returns:
        an enumeration of this vector
      • elements

        public final java.util.Enumeration elements​(int index)
        Returns an enumeration of this vector, skipping the element with the given index.
        Parameters:
        index - the element to skip
        Returns:
        an enumeration of this vector
      • contains

        public boolean contains​(java.lang.Object o)
        added by akibriya
      • firstElement

        public final java.lang.Object firstElement()
        Returns the first element of the vector.
        Returns:
        the first element of the vector
      • indexOf

        public final int indexOf​(java.lang.Object element)
        Searches for the first occurence of the given argument, testing for equality using the equals method.
        Parameters:
        element - the element to be found
        Returns:
        the index of the first occurrence of the argument in this vector; returns -1 if the object is not found
      • insertElementAt

        public final void insertElementAt​(java.lang.Object element,
                                          int index)
        Inserts an element at the given position.
        Parameters:
        element - the element to be inserted
        index - the element's index
      • lastElement

        public final java.lang.Object lastElement()
        Returns the last element of the vector.
        Returns:
        the last element of the vector
      • removeElementAt

        public final void removeElementAt​(int index)
        Deletes an element from this vector.
        Parameters:
        index - the index of the element to be deleted
      • removeAllElements

        public final void removeAllElements()
        Removes all components from this vector and sets its size to zero.
      • appendElements

        public final void appendElements​(FastVector toAppend)
        Appends all elements of the supplied vector to this vector.
        Parameters:
        toAppend - the FastVector containing elements to append.
      • toArray

        public final java.lang.Object[] toArray()
        Returns all the elements of this vector as an array
        Returns:
        an array containing all the elements of this vector
      • setCapacity

        public final void setCapacity​(int capacity)
        Sets the vector's capacity to the given value.
        Parameters:
        capacity - the new capacity
      • setElementAt

        public final void setElementAt​(java.lang.Object element,
                                       int index)
        Sets the element at the given index.
        Parameters:
        element - the element to be put into the vector
        index - the index at which the element is to be placed
      • size

        public final int size()
        Returns the vector's current size.
        Returns:
        the vector's current size
      • swap

        public final void swap​(int first,
                               int second)
        Swaps two elements in the vector.
        Parameters:
        first - index of the first element
        second - index of the second element
      • trimToSize

        public final void trimToSize()
        Sets the vector's capacity to its size.
      • getRevision

        public java.lang.String getRevision()
        Returns the revision string.
        Specified by:
        getRevision in interface RevisionHandler
        Returns:
        the revision